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Spar K Plu G; Contact Breaker Point Gap - Honda 175 1971 Owner's Manual

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Plug
1odel
employs
NGK 0
-
8
HS
plugs.
>lug
servicing is
as follows.
:onnect
the
high
tension
cor
d cap
remove the spark plug
w
ith
the
k plug wrench
provide
d
in
the
kit.
ck the
tip
of
the
sp ark
p
l
ug
for
on
deposits
and
fouling.
Clean
a spark plug
cleaner
or
if
one is
avai lable,
use a
stiff wire
or pin
~move
the
deposits,
wash
in
gaso-
and
dry with a
cl
ea
n
ra g.
spark
plug
gap
should
be 0.024-
1
in.
(0.6-0.7
mm), adjusted
with
:learan
cc
gauge.
Adjustment
is ac-
plished by bending
th
e negative
mded) electrode
®
·
n
installing
the
sp
ark
plug, first
v
in finger
tight,
then torque
with
;park plug wrench
a
furth
er
1/
2
to
if
a
turn.
NOTE:
Do
not
attempt
to remove
carbon
from
arc
dry the
spark plug by
burning.
Do not use
spark
plugs
with
improper
heal
range.
(i)
Spark plug gap
0.024-0.028 in.
(0.6-0.7
mm)
T
@
Negative electrode
Contact
Breaker Point Gap
1. Remove the point and
generator covers.
2.
Open
the contact
breaker
points
<D
with
finger
or small
scr
ew
driver
blade
and
check
for
pitting.
If
pitted
or
burned,
th
e
points
shoul
d be r
eplace
d
and the
co
ndenser
checked.
A
gray
discoloration
is
normal
and can
be
r
e-
moved with
a
point
fil
e.
Filing
should
be done
carefu lly
and
kep
t
to a mini-
mum.
Clean
th
e
point contacts
after
fi
l
ing with a clean
piece
of
unwaxed
paper
such
as
a
business
card
or
chemica
l
point
cleaner.
3.
Rotate
th
e
generator
rotor
in
the
counterclockwise direction
(see
arrow)
to
find the
poi
nt where
each
breaker
point gap
is
at maximum and check
using a
clearance
gauge.
4.
The standard
gap
is
0.012-0.016 in.
(0.3-0.4
mm).
5.
When
adjustment
is necessary, loosen
the
contact
breaker
plate
locking
screws
®and move
the contact breaker
plate
to achieve the
correct
gap.
Whe
n
pro-
perly
gapped,
retighten
the lock
ing
scr
ews:._@.
(i)
Contact breaker points
@
Contact breaker plate locking
screws
31

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Cl175 k5 1971